.BackToTop
  position fixed
  right 10px
  bottom 10px
  width 64px
  height 80px
  border 1px solid #bbb
  display flex
  flex-direction column
  align-items center
  color #969696
  .iconTop
    width: 45px
    height: 45px
    text-align center
    font-size 18px
    line-height 45px
    transform-origin center
    transform rotate(-90deg)
  .text
    font-size 15px
    text-align center
  &:hover
    color #666
    border-color #666
    .iconTop
      animation verticalWiggle .5s ease-out infinite


@keyframes verticalWiggle{
  0%{
    transform rotate(-90deg)
  }
  100%{
    transform rotate(-90deg) translateX(10px)
  }
}
